(CNET) – Humans are pretty effective at messing up everything.
Look at all the tech we use. It doesn’t come without a cost. Manufacturing electronics and batteries produces contaminants such as lead, cadmium, mercury, arsenic and chromium, none of which is particularly good for living organisms.
To help combat this destructive effect, an international team of researchers has developed a school of tiny microbots, each smaller than the width of a human hair, which is capable of removing lead particles from contaminated water more efficiently than previously developed methods.
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